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United States Patent | 5,589,670 |
Berli | December 31, 1996 |
A weighing scale includes a display, and a keyboard having a single bar-type key for selecting weighing programs or parameter "tree" configurations as displayed on the display of the weighing scale. The bar-type key has a plurality of longitudinally-spaced operating portions corresponding with the various operations indicated on the display, respectively.
Inventors: | Berli; Urs (Bauma, CH) |
Assignee: | Mettler-Toledo AG (Greifensee, CH) |
Appl. No.: | 185259 |
Filed: | January 24, 1994 |
Feb 26, 1993[CH] | 589/93 |
Current U.S. Class: | 177/25.13; 177/25.16; 702/173; 708/144 |
Intern'l Class: | G01G 019/22 |
Field of Search: | 177/25.13,25.14,25.15,25.16 364/567,466,709.14,709.15 |
4814995 | Mar., 1989 | Daniels, Jr. | 364/464. |
4823311 | Apr., 1989 | Hunter et al. | 364/709. |
4862401 | Aug., 1989 | Kubli et al. | 177/25. |
5020012 | May., 1991 | Stockberger et al. | 364/709. |
5024282 | Jun., 1991 | Raikes et al. | 177/25. |
5084832 | Jan., 1992 | Yamada et al. | 364/567. |
5124940 | Jun., 1992 | Lapeyre | 364/709. |
5181029 | Jan., 1993 | Kim | 364/709. |
5258748 | Nov., 1993 | Jones | 364/709. |
5307281 | Apr., 1994 | Wollmann | 177/25. |
5442146 | Aug., 1995 | Bell et al. | 177/210. |
Foreign Patent Documents | |||
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